Charon (upper left) and Pluto as seen by New Horizons on July 14, 2015. Photo Credit: NASA/JHUAPL/SwRI

Charon is Pluto’s largest moon and, despite being so cold and remote from the Sun, has been revealed to be a fascinating and active world, just like Pluto itself. Residing in the far outskirts of the Solar […]

The canyons of Charon, some of which dwarf the Grand Canyon on Earth. Image Credit: NASA/JHUAPL/SwRI

One of the most surprising discoveries in recent years in the outer Solar System is that there are small moons which have oceans inside them. Jupiter’s moon Europa and Saturn’s moon Enceladus are now known to have global […]

To say that 2015 has been a great year for planetary exploration would be an understatement, with fantastic new discoveries from around the Solar System. From our first ever close-up look at Pluto and its moons, to […]